v5 Standard Assay object, validity, and interaction methods
$.StdAssay(),
.DollarNames.StdAssay(),
StdAssay-class,
StdAssay-validity,
[.StdAssay(),
[[.StdAssay(),
dimnames.StdAssay(),
show,StdAssay-method,
split.StdAssay(),
subset.StdAssay()